# One Plus Two Is Three vs Number Lab

The clearest difference is ads: One Plus Two Is Three at none against Number Lab's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | One Plus Two Is Three | Number Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/one-plus-two-is-three/id1533633628/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Monetization | Free | — |
| Size | 11 MB | 89 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giuseppe Calcagno](https://appshunter.io/developer/510762783) | [FEELCRAFTERS OYUN YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/1691256089) |

## What reviewers say

### One Plus Two Is Three

[App page](https://appshunter.io/ios/app/one-plus-two-is-three/id1533633628)

Test your math skills with this fun and fast-paced game. Answer simple arithmetic questions before time runs out to prove your brain's capabilities. It's a free and engaging way to challenge your quick thinking.

**Highlights:** Fast-paced arithmetic challenges, Time-based gameplay, Test math brain skills, Free to play, Engaging game for quick thinking

**In-app purchases:** none


### Number Lab

[App page](https://appshunter.io/ios/app/number-lab/id6476373137)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Plus Two Is Three free?

One Plus Two Is Three is free to download, with no in-app purchases.

### Is Number Lab free?

Number Lab is free to download, with no in-app purchases.

### Do One Plus Two Is Three or Number Lab have ads?

Number Lab shows ads; One Plus Two Is Three does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*